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/*-
* SPDX-License-Identifier: BSD-2-Clause
*
* Copyright (c) 2016 Oleksandr Tymoshenko <gonzo@FreeBSD.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef _DEV_INTEL_SPI_H_
#define _DEV_INTEL_SPI_H_
#include <contrib/dev/acpica/include/acpi.h>
#include <contrib/dev/acpica/include/accommon.h>
#include <dev/acpica/acpivar.h>
enum intelspi_vers {
SPI_BAYTRAIL,
SPI_BRASWELL,
SPI_LYNXPOINT,
SPI_SUNRISEPOINT,
};
struct intelspi_softc {
ACPI_HANDLE sc_handle;
device_t sc_dev;
enum intelspi_vers sc_vers;
struct mtx sc_mtx;
int sc_mem_rid;
struct resource *sc_mem_res;
int sc_irq_rid;
struct resource *sc_irq_res;
void *sc_irq_ih;
struct spi_command *sc_cmd;
uint32_t sc_len;
uint32_t sc_read;
volatile uint32_t sc_flags;
uint32_t sc_written;
uint32_t sc_clock;
uint32_t sc_mode;
/* LPSS private register storage for suspend-resume */
uint32_t sc_regs[9];
};
int intelspi_attach(device_t dev);
int intelspi_detach(device_t dev);
int intelspi_transfer(device_t dev, device_t child, struct spi_command *cmd);
int intelspi_suspend(device_t dev);
int intelspi_resume(device_t dev);
#endif
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